Adds more directories to npm tarball
Adds more directories to npm tarball

script/ is necessary to ensure the postinstall script is available to
run.

share/ is necessary to ensure the plugin has a place to write the
definitions to.

jasonkarns/node-build-update-defs,nodenv/node-build-update-defs,jasonkarns/node-build-update-defs,nodenv/node-build-update-defs